Source to Sea: River Thames (UK)
Follow the continuous ‘Source to Sea’ National Trail along the ENTIRE length of one of the most iconic rivers in the world. From the source of the River Thames in the Cotswolds (Thames Head Stone, Kemble) to The North Sea in the Isle of Grain (Final England Coast Path sign, Grain Coastal Park). Travel along the ‘Thames Path’ until Woolwich Foot Tunnel, where the route continues on the ‘Thames Path Extension’ / ‘King Charles III England Coast Path: Woolwich to Grain’.